Fetching details from the dictionary...
library; book collection
paperback book
この文庫は持ち運びに便利だ。
This paperback is convenient to carry.
ベストセラー小説が来月、ついに文庫化される。
The bestselling novel will finally be released in paperback next month.
学生時代に岩波文庫で古典を読んだ。
During my student days, I read classics from the Iwanami paperback series.